Hair drier



FIG. 1 is a front, bottom and right perspective view of a hair drier showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a bottom view thereof; and,

FIG. 7 is a rear, top and right perspective view thereof.

A left side view is omitted since the left side view is a mirror image of the right side view. 

CLAIM The ornamental design for a hair drier, as shown and described. 